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authorChristoph Hellwig <hch@lst.de>2010-06-14 14:42:49 -0400
committerTheodore Ts'o <tytso@mit.edu>2010-06-14 14:42:49 -0400
commit206f7ab4f49a2021fcb8687f25395be77711ddee (patch)
tree19764d36a25ec1e088d32572a1c0936eeaf19636 /fs/ext4/super.c
parent5a0790c2c4a18435759a70e1562450035d778339 (diff)
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ext4: remove vestiges of nobh support
The nobh option was only supported for writeback mode, but given that all write paths actually create buffer heads it effectively was a no-op already. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r--fs/ext4/super.c21
1 files changed, 5 insertions, 16 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 4e8983a..422a4ce 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -946,8 +946,6 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
seq_puts(seq, ",journal_async_commit");
else if (test_opt(sb, JOURNAL_CHECKSUM))
seq_puts(seq, ",journal_checksum");
- if (test_opt(sb, NOBH))
- seq_puts(seq, ",nobh");
if (test_opt(sb, I_VERSION))
seq_puts(seq, ",i_version");
if (!test_opt(sb, DELALLOC))
@@ -1624,10 +1622,12 @@ set_qf_format:
*n_blocks_count = option;
break;
case Opt_nobh:
- set_opt(sbi->s_mount_opt, NOBH);
+ ext4_msg(sb, KERN_WARNING,
+ "Ignoring deprecated nobh option");
break;
case Opt_bh:
- clear_opt(sbi->s_mount_opt, NOBH);
+ ext4_msg(sb, KERN_WARNING,
+ "Ignoring deprecated bh option");
break;
case Opt_i_version:
set_opt(sbi->s_mount_opt, I_VERSION);
@@ -2912,18 +2912,7 @@ no_journal:
ext4_msg(sb, KERN_ERR, "insufficient memory");
goto failed_mount_wq;
}
- if (test_opt(sb, NOBH)) {
- if (!(test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)) {
- ext4_msg(sb, KERN_WARNING, "Ignoring nobh option - "
- "its supported only with writeback mode");
- clear_opt(sbi->s_mount_opt, NOBH);
- }
- if (test_opt(sb, DIOREAD_NOLOCK)) {
- ext4_msg(sb, KERN_WARNING, "dioread_nolock option is "
- "not supported with nobh mode");
- goto failed_mount_wq;
- }
- }
+
EXT4_SB(sb)->dio_unwritten_wq = create_workqueue("ext4-dio-unwritten");
if (!EXT4_SB(sb)->dio_unwritten_wq) {
printk(KERN_ERR "EXT4-fs: failed to create DIO workqueue\n");